Update mockito-core from 2.2.26 to 2.2.28
Update mockito-core from 2.2.26 to 2.2.28

mredaelli/jabref,sauliusg/jabref,bartsch-dev/jabref,mredaelli/jabref,shitikanth/jabref,Siedlerchr/jabref,JabRef/jabref,grimes2/jabref,oscargus/jabref,jhshinn/jabref,Mr-DLib/jabref,sauliusg/jabref,Mr-DLib/jabref,bartsch-dev/jabref,jhshinn/jabref,jhshinn/jabref,bartsch-dev/jabref,zellerdev/jabref,grimes2/jabref,oscargus/jabref,sauliusg/jabref,shitikanth/jabref,jhshinn/jabref,Mr-DLib/jabref,shitikanth/jabref,bartsch-dev/jabref,shitikanth/jabref,bartsch-dev/jabref,JabRef/jabref,Siedlerchr/jabref,zellerdev/jabref,mredaelli/jabref,shitikanth/jabref,oscargus/jabref,grimes2/jabref,zellerdev/jabref,Siedlerchr/jabref,oscargus/jabref,Mr-DLib/jabref,jhshinn/jabref,zellerdev/jabref,tobiasdiez/jabref,JabRef/jabref,tobiasdiez/jabref,tobiasdiez/jabref,Mr-DLib/jabref,zellerdev/jabref,oscargus/jabref,grimes2/jabref,JabRef/jabref,mredaelli/jabref,sauliusg/jabref,mredaelli/jabref,tobiasdiez/jabref,grimes2/jabref,Siedlerchr/jabref